212054144515 has 32 divisors (see below), whose sum is σ = 263679756480. Its totient is φ = 163586304000.

The previous prime is 212054144501. The next prime is 212054144543. The reversal of 212054144515 is 515441450212.

It is not a de Polignac number, because 212054144515 - 2⁷ = 212054144387 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15447855 + ... + 15461575.

It is an arithmetic number, because the mean of its divisors is an integer number (8239992390).

Almost surely, 2^212054144515 is an apocalyptic number.

212054144515 is a deficient number, since it is larger than the sum of its proper divisors (51625611965).

212054144515 is a wasteful number, since it uses less digits than its factorization.

212054144515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14503.

The product of its (nonzero) digits is 32000, while the sum is 34.

Adding to 212054144515 its reverse (515441450212), we get a palindrome (727495594727).

The spelling of 212054144515 in words is "two hundred twelve billion, fifty-four million, one hundred forty-four thousand, five hundred fifteen".